# when viewing an object that is immersed in water, the image that is formed is __________.

## What type of image is formed in water?

The image (reflection) formed in the water is an upright virtual image due to the reflection of light.

## What would be the behavior of an object that was immersed in a fluid?

There is a net upward, or buoyant force on any object in any fluid. (See (Figure).) If the buoyant force is greater than the object’s weight, the object will rise to the surface and float. If the buoyant force is less than the object’s weight, the object will sink.

## What does a negative magnification indicate?

A negative magnification indicates that the image is inverted. If the object is placed closer to a converging lens than the focal length, the rays on the far side of the lens diverge. By extrapolating these lines back (the pink lines) the position of virtual image can be found.

## Why does an object look bigger in water?

The surface of a water drop curves outward to make a dome. This outward, or convex, curvature bends light rays inward. … The surface of a smaller drop is even more curved, creating a bigger change in direction of the light ray. The result is a larger magnification.

## Why are images formed in water?

The reflection of an object into the water is its water image. It appears by inverting an object vertically i.e. upside down. The water image of the figure looks like the mirror image of the figure in case the mirror is horizontally at the bottom of the figure.

## Why do we see our image in water?

Answer. We can see our images in the water of swimming pool because water is transparent in nature andthus, reflect much of the light fallen on it. It also reflects the image that is seen on it, just like a mirror, due to which we can see ourselves very clearly when we look into the water from the poolside.

## What would be the behavior of an object that was immersed in a fluid chegg?

An object immersed in a fluid experiences an upward buoyant force due to contact interactions with the surrounding fluid, whose strength is equal to the weight of the displaced fluid.

## How much force is applied to an object when it is completely immersed in the fluid?

Answer: 3• The force equal to the weight of the fluid displaced by an object.

## What will happen to an object placed in a liquid if the density of the liquid is greater than the object?

✔There is an upward force due to the effect of gravity at any depth in a fluid. If the density of an object in the fluid is greater than the density of the fluid, the object will sink. If the density is less than the fluid, the object will float.

## When magnification is positive or negative?

Magnification of a convex mirror is always positive , but that of a concave mirror may be both positive or negative . This magnification can tell us about the nature of the image based on the sign itself. If the ratio is negative then the image is real and inverted.

## Why is the magnification of a real image negative?

Magnification is the ratio between the height of the object and the height of the image. In the case of a real image, the height of the object carries a positive sign while the height of the image carries a negative one. Hence the magnification is negative.

## When magnification is negative What is the nature of the image?

This magnification can tell us about the nature of the image based on the sign itself. If the ratio is negative then the image is real and inverted. If the ratio is positive then the image is virtual and erect.

## What is it called when something looks bigger in water?

This bending of light is called refraction.

## What makes an object appear larger and closer than actual when viewed underwater?

Since air has an index of refraction of essentially 1 and water has an index of refraction of 1.33 the angle from which the rays of light reach your eyes is larger than the angle they would in air. This makes the angular size larger to your eyes which makes the object look larger relative to how they would look in air.

## How does refraction change the view of an object in water?

When light travels from air into water, it slows down, causing it to change direction slightly. This change of direction is called refraction. When light enters a more dense substance (higher refractive index), it ‘bends’ more towards the normal line.

## Where are images formed?

At the point where the light from the object converges, a replica or likeness of the actual object is created; this replica is known as the image. Once the reflected light rays reached the image location, they begin to diverge. The point where all the reflected light rays converge is known as the image point.

## What is a water image?

The water image is the inverted image that is obtained by turning the object upside down. The top and bottom part of the image will be changed, while the left and right-hand side of the image remains the same.

## How do you find the water image of an object?

Water Image is the reflection of an object into water. It is the vertically inverted image obtained by turning the object upside down. The water image of the figure looks like the mirror image of the figure when the mirror is placed horizontally at the bottom of the question figure.

## When we see the image in water blurred image is seen?

The light gets reflected in diverse ways and thus the formed image gets blurred and hazy.

## What type of reflection happens when you see your image on a clear pond?

Answer: It tells that water is a transparent object . So it reflects light and hence shows our image.

## Why can you see your image in a pond and why does the image faint when the water is not still?

The particles in water which is not H20, absorbs the light which you see as a faint shadow.

## When a body is immersed in a fluid partially or completely the force of buoyancy is equal to?

According to Archimedes principle, the buoyant force of a partially immersed body is equal to the weight of the displaced liquid. Therefore the buoyant force depends upon the density of the fluid and the submerged volume of the body.

## How much force is applied to an object?

Force (N) = mass (kg) × acceleration (m/s²). Thus, an object of constant mass accelerates in proportion to the force applied. If the same force is applied to two objects of differ- ent mass, the heavier object has less acceleration than the lighter object (Figure 1).

## What is Archimedes law of buoyancy?

Archimedes’ principle, physical law of buoyancy, discovered by the ancient Greek mathematician and inventor Archimedes, stating that any body completely or partially submerged in a fluid (gas or liquid) at rest is acted upon by an upward, or buoyant, force, the magnitude of which is equal to the weight of the fluid …

## What will happen when the objects are placed in a container of water?

Observing an object placed in water helps illustrate now an object’s density influences its buoyancy. All objects, even those that float, displace some water. Specifically, when placed in water, an object sinks into the water until it displaces an amount of water equal to its own mass.

## Why does an object float or sink when placed on the surface of water?

An object float or sink when placed on the surface of the water because, An object sinks in water if its density is greater than that of water. An object floats in water if its density is less than that of water. When the object’s weight force is balanced by the upward push of the water on the object.

## When a body is immersed in a liquid the buoyant force acts on the body?

When a body is partially or wholly immersed in a liquid, an upward force acts on it. This upward force is known as upthrust or buoyant force. Consider a cuboid immersed in a fluid, with one (hence two: top and bottom) of its sides orthogonal to the direction of gravity (assumed constant across the cube’s stretch).

## When magnification is negative the image formed will be?

When the image formed is virtual and erect, magnification is positive. And, when the image formed is real and inverted, magnification is negative.

## When linear magnification is negative the image formed by a concave mirror must be?

In the case of the concave mirror, when the image formed is real, the magnification will be negative. Similarly, when the image formed is virtual, the magnification will be positive. If the magnification is negative, the image formed will be real, inverted and enlarged.

## When the magnification produced by a lens is negative?

A negative magnification indicates that the image is inverted. If the object is placed closer to a converging lens than the focal length, the rays on the far side of the lens diverge.

## Why magnification is positive for lens?

A convex lens can form virtual as well as real images, so the magnification produced by a convex lens can be either positive or negative. Magnification is positive for virtual image and negative for real image. When |m|>1, the image is magnified. … When |m|=1, the image is of the same size as that of the object.

## Why magnification is taken negative for real images and positive for virtual images ?( B why convex mirror is used in rear view mirrors and not concave mirror?

Magnification = Height of image (-) / height of object (+)=Negative. So, Magnification will be negative. … So, Magnification will be positive. (b) Convex mirror is commonly used in rear view mirrors in vehicles because it gives an erect, virtual, full size diminished image of distant objects with a wider field of view.

## What is magnification for real and inverted image?

For a real and inverted image, the height of the image is negative and the height of the object is positive. So the magnification of the mirror is negative.

## When the size of image is negative?

When the image distance is negative, the image is behind the mirror, so the image is virtual and upright. A negative m means that the image is inverted. Positive means an upright image.

## 6 Important English Vocabulary Words with pictures I Science 1. L13. Observing Matter

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a plane mirror

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